Food Safety Report: Lanxess Arena, Willy-Brandt-Platz, Cologne, Germany 10 months ago • details 20 Comments Comment Suspected food poisoning. Symptoms: Nausea, Fever, Stomach Pain, Cramps, Headache Suspected source: Burger Meat Onset: 4 to 12 hours Duration: 12 to 24 hours Sick: Me